<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Tab菜单栏</title>
	<link rel="stylesheet" type="text/css" href="index.css">
</head>
<body>
	<div id="content">
		<input type="button" value="第一个"/>
		<input type="button" value="第二个"/>
		<input type="button" value="第三个"/>
		<input type="button" value="第四个"/>
		<input type="button" value="第五个"/>

		<!-- 默认第一个显示 -->
		<div style="display: block;">111</div>
		<div>222</div>
		<div>333</div>
		<div>444</div>
		<div>555</div>
	</div>

	<script type="text/javascript" src="index.js"></script>
</body>
</html>